From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yi Sun Subject: Re: [PATCH v9 05/25] x86: refactor psr: L3 CAT: implement CPU init and free flow. Date: Mon, 27 Mar 2017 16:16:45 +0800 Message-ID: <20170327081645.GA17458@yi.y.sun> References: <1489662495-5375-1-git-send-email-yi.y.sun@linux.intel.com> <1489662495-5375-6-git-send-email-yi.y.sun@linux.intel.com> <58D55CE2020000780014793E@prv-mh.provo.novell.com> <20170327044150.GY17458@yi.y.sun> <58D8CE950200007800147DB0@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1csPp9-0001xM-KG for xen-devel@lists.xenproject.org; Mon, 27 Mar 2017 08:16:23 +0000 Content-Disposition: inline In-Reply-To: <58D8CE950200007800147DB0@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: kevin.tian@intel.com, wei.liu2@citrix.com, he.chen@linux.intel.com, andrew.cooper3@citrix.com, dario.faggioli@citrix.com, ian.jackson@eu.citrix.com, mengxu@cis.upenn.edu, xen-devel@lists.xenproject.org, chao.p.peng@linux.intel.com, roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org T24gMTctMDMtMjcgMDA6MzQ6MjksIEphbiBCZXVsaWNoIHdyb3RlOgo+ID4+PiBPbiAyNy4wMy4x NyBhdCAwNjo0MSwgPHlpLnkuc3VuQGxpbnV4LmludGVsLmNvbT4gd3JvdGU6Cj4gPiBPbiAxNy0w My0yNCAxMDo1MjozNCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gPj4gPj4+IE9uIDE2LjAzLjE3IGF0 IDEyOjA3LCA8eWkueS5zdW5AbGludXguaW50ZWwuY29tPiB3cm90ZToKPiA+PiA+IEBAIC00Niw2 ICs1MCw5IEBACj4gPj4gPiAgICovCj4gPj4gPiAgI2RlZmluZSBNQVhfQ09TX1JFR19DTlQgIDEy OAo+ID4+ID4gIAo+ID4+ID4gKy8qIENBVCBmZWF0dXJlcyB1c2UgMSBDT1MgcmVnaXN0ZXIgaW4g b25lIGFjY2Vzcy4gKi8KPiA+PiA+ICsjZGVmaW5lIENBVF9DT1NfTlVNICAgICAgMQo+ID4+IAo+ ID4+IFdpdGggaXQgYmVpbmcgc3RvcmVkIGludG8gdGhlIGZlYXR1cmUgbm9kZSBub3cgSSBkb24n dCBzZWUgd2h5IHlvdQo+ID4+IG5lZWQgdGhpcyBjb25zdGFudCBhbnltb3JlLiBBbmQgaW5kZWVk IGl0J3MgYmVpbmcgdXNlZCBleGFjdGx5Cj4gPj4gb25jZS4KPiA+PiAKPiA+IEkgcmVtZW1iZXIg c29tZWJvZHkgc3VnZ2VzdGVkIG1lIG5vdCB0byB1c2UgY29uc3RhbnQgYnV0IHNob3VsZCBkZWZp bmUgYQo+ID4gbWFjcm8uIEFzIGl0IGlzIG9ubHkgdXNlZCBvbmNlLCBJIHdpbGwgcmVtb3ZlIHRo aXMgYW5kICdDRFBfQ09TX05VTScgaW4KPiA+IGxhdGVyIHBhdGNoLgo+IAo+IEl0IG1heSB3ZWxs IGhhdmUgYmVlbiBtZSwgYmFjayB3aGVuIHRoaXMgd2FzIHVzZWQgaW4gbXVsdGlwbGUgcGxhY2Vz Lgo+IApPaywgSSBnb3QgaXQuIFdpbGwgcmVtb3ZlIHN1Y2ggbWFjcm9zLgoKPiA+PiA+ICsvKgo+ ID4+ID4gKyAqIFVzZSB0aGlzIGZ1bmN0aW9uIHRvIGNoZWNrIGlmIGFueSBhbGxvY2F0aW9uIGZl YXR1cmUgaGFzIGJlZW4gZW5hYmxlZAo+ID4+ID4gKyAqIGluIGNtZGxpbmUuCj4gPj4gPiArICov Cj4gPj4gPiArc3RhdGljIGJvb2wgcHNyX2FsbG9jX2ZlYXRfZW5hYmxlZCh2b2lkKQo+ID4+ID4g K3sKPiA+PiA+ICsgICAgcmV0dXJuICgoIXNvY2tldF9pbmZvKSA/IGZhbHNlIDogdHJ1ZSApOwo+ ID4+IAo+ID4+IFN0cmF5IHBhcmVudGhlc2VzIChhbGwgb2YgdGhlbSBhY3R1YWxseSkgYW5kIGJs YW5rLiBFdmVuIG1vcmUsIHdoeQo+ID4+IG5vdCBzaW1wbHkKPiA+PiAKPiA+PiAgICAgcmV0dXJu IHNvY2tldF9pbmZvOwo+ID4+IAo+ID4+ID8KPiA+PiAKPiA+IEhvdyBhYm91dCAncmV0dXJuICEh c29ja2V0X2luZm8nPwo+IAo+IEFuZCB3aGF0IHdvdWxkIHRoZSAhISBiZSBnb29kIGZvcj8gQmFj ayB3aGVuIHdlIHdlcmUgc3RpbGwgdXNpbmcKPiBib29sX3QgdGhhdCB3b3VsZCBoYXZlIGJlZW4g YSByZXF1aXJlbWVudCAodGhlIGNvZGUgd291bGRuJ3QKPiBldmVuIGhhdmUgYnVpbHQgd2l0aG91 dCBhZmFpY3QpLCBidXQgbm93IHRoYXQgd2UgdXNlIGJvb2wgSSBkb24ndAo+IHNlZSB0aGUgcG9p bnQgKG90aGVyIHRoYXQgY2x1dHRlcmluZyBjb2RlKS4gSW4gZmFjdCBJIGNvbnNpZGVyIHRoZQo+ IHByZXNlbmNlIG9mIHRoZSBmdW5jdGlvbiBxdWVzdGlvbmFibGUgYXMgYSB3aG9sZSwgdW5sZXNz IGxhdGVyCj4gcGF0Y2hlcyBhZGQgdG8gaXQuCj4gClBlciBXZWkncyBzdWdnZXN0aW9uLCBJIGFk ZGVkIHRoaXMgZnVuY3Rpb24gdG8gbWFrZSByZWFkZXJzIGNsZWFybHkgdW5kZXJzdGFuZAp0aGUg bWVhbmluZyBvZiB0aGUgY29kZS4gSW4gcHJldmlvdXMgY29kZXMsIHdlIGp1c3QgY2hlY2sgJ2lm ICggIXNvY2tldF9pbmZvICknLgoKUGVyIHRlc3QsICdyZXR1cm4gc29ja2V0X2luZm8nIGNhdXNl cyB3YXJuaW5nIGlmIGZ1bmN0aW9uIHR5cGUgaXMgJ2Jvb2wnLgoKPiA+PiA+ICsgICAgICAgICAg ICAgICAgICAgICAgICAgICAgIHN0cnVjdCBmZWF0X25vZGUgKmZlYXQsCj4gPj4gPiArICAgICAg ICAgICAgICAgICAgICAgICAgICAgICBzdHJ1Y3QgcHNyX3NvY2tldF9pbmZvICppbmZvLAo+ID4+ ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZW51bSBwc3JfZmVhdF90eXBlIHR5cGUp Cj4gPj4gPiArewo+ID4+ID4gKyAgICB1bnNpZ25lZCBpbnQgc29ja2V0LCBpOwo+ID4+ID4gKyAg ICBzdHJ1Y3QgcHNyX2NhdF9od19pbmZvIGNhdCA9IHsgfTsKPiA+PiA+ICsgICAgdWludDY0X3Qg dmFsOwo+ID4+ID4gKwo+ID4+ID4gKyAgICAvKiBObyB2YWxpZCB2YWx1ZSBzbyBkbyBub3QgZW5h YmxlIGZlYXR1cmUuICovCj4gPj4gPiArICAgIGlmICggIXJlZ3MuYSB8fCAhcmVncy5kICkKPiA+ PiA+ICsgICAgICAgIHJldHVybjsKPiA+PiA+ICsKPiA+PiA+ICsgICAgY2F0LmNibV9sZW4gPSAo cmVncy5hICYgQ0FUX0NCTV9MRU5fTUFTSykgKyAxOwo+ID4+ID4gKyAgICBjYXQuY29zX21heCA9 IG1pbihvcHRfY29zX21heCwgcmVncy5kICYgQ0FUX0NPU19NQVhfTUFTSyk7Cj4gPj4gPiArCj4g Pj4gPiArICAgIC8qIGNvcz0wIGlzIHJlc2VydmVkIGFzIGRlZmF1bHQgY2JtKGFsbCBiaXRzIHdp dGhpbiBjYm1fbGVuIGFyZSAxKS4gKi8KPiA+PiA+ICsgICAgZmVhdC0+Y29zX3JlZ192YWxbMF0g PSBjYXRfZGVmYXVsdF92YWwoY2F0LmNibV9sZW4pOwo+ID4+ID4gKyAgICAvKgo+ID4+ID4gKyAg ICAgKiBUbyBoYW5kbGUgY3B1IG9mZmxpbmUgYW5kIHRoZW4gb25saW5lIGNhc2UsIHdlIG5lZWQg cmVhZCBNU1JzIGJhY2sgdG8KPiA+PiA+ICsgICAgICogc2F2ZSB2YWx1ZXMgaW50byBjb3NfcmVn X3ZhbCBhcnJheS4KPiA+PiA+ICsgICAgICovCj4gPj4gPiArICAgIGZvciAoIGkgPSAxOyBpIDw9 IGNhdC5jb3NfbWF4OyBpKysgKQo+ID4+ID4gKyAgICB7Cj4gPj4gPiArICAgICAgICByZG1zcmwo TVNSX0lBMzJfUFNSX0wzX01BU0soaSksIHZhbCk7Cj4gPj4gPiArICAgICAgICBmZWF0LT5jb3Nf cmVnX3ZhbFtpXSA9ICh1aW50MzJfdCl2YWw7Cj4gPj4gPiArICAgIH0KPiA+PiAKPiA+PiBZb3Ug bWVudGlvbiB0aGlzIGluIHRoZSBjaGFuZ2VzIGRvbmUsIGJ1dCBJIGRvbid0IHVuZGVyc3RhbmQg d2h5Cj4gPj4geW91IGRvIHRoaXMuIFdoYXQgbWVhbmluZyB0byB0aGVzZSB2YWx1ZXMgaGF2ZSB0 byB5b3U/IElmIHlvdQo+ID4+IHdhbnQgaGFyZHdhcmUgYW5kIGNhY2hlZCB2YWx1ZXMgdG8gbWF0 Y2ggdXAsIHRoZSBtdWNoIG1vcmUKPiA+PiBjb252ZW50aW9uYWwgd2F5IG9mIGVuZm9yY2luZyB0 aGlzIHdvdWxkIGJlIHRvIHdyaXRlIHRoZSB2YWx1ZXMKPiA+PiB5b3UgYWN0dWFsbHkgd2FudCAo bm9ybWFsbHkgYWxsIHplcm8pLgo+ID4+IAo+ID4gV2hlbiBhbGwgY3B1cyBvbiBhIHNvY2tldCBh cmUgb2ZmbGluZSwgdGhlIGZyZWVfZmVhdHVyZSgpIGlzIGNhbGxlZCB0byBmcmVlCj4gPiBmZWF0 dXJlcyByZXNvdXJjZXMgc28gdGhhdCB0aGUgdmFsdWVzIHNhdmVkIGluIGNvc19yZWdfdmFsW10g YXJlIGxvc3QuIFdoZW4gdGhlCj4gPiBzb2NrZXQgaXMgb25saW5lIGFnYWluLCBmZWF0dXJlcyBh cmUgYWxsb2NhdGVkIGFnYWluIHNvIHRoYXQgY29zX3JlZ192YWxbXQo+ID4gbWVtYmVycyBhcmUg YWxsIGluaXRpYWxpemVkIHRvIDAuIE9ubHkgaXMgY29zX3JlZ192YWxbMF0gaW5pdGlhbGl6ZWQg dG8gZGVmYXVsdAo+ID4gdmFsdWUgaW4gdGhpcyBmdW5jdGlvbiBpbiBvbGQgY29kZXMuCj4gPiAK PiA+IEJ1dCBkb21haW4gaXMgc3RpbGwgYWxpdmUgc28gdGhhdCBpdHMgY29zIGlkIG9uIHRoZSBz b2NrZXQgaXMga2VwdC4gVGhlCj4gPiBjb3JyZXNwb25kaW5nIE1TUiB2YWx1ZSBpcyBrZXB0IHRv byBwZXIgdGVzdC4gVG8gbWFrZSBjb3NfcmVnX3ZhbFtdIHZhbHVlcyBiZQo+ID4gc2FtZSBhcyBI VyB0byBub3QgdG8gbWlzbGVhZCB1c2VyLCB3ZSBzaG91bGQgcmVhZCBiYWNrIHRoZSB2YWxpZCB2 YWx1ZXMgb24gSFcKPiA+IGludG8gY29zX3JlZ192YWxbXS4KPiAKPiBPa2F5LCBJIHVuZGVyc3Rh bmQgdGhlIGJhY2tncm91bmQsIGJ1dCBJIGRvbid0IHZpZXcgdGhpcyBzb2x1dGlvbgo+IGFzIHZp YWJsZTogT25jZSB0aGUgbGFzdCBjb3JlIG9uIGEgc29ja2V0IGdvZXMgb2ZmbGluZSwgYWxsCj4g cmVmZXJlbmNlcyB0byBpdCBzaG91bGQgYmUgY2xlYW5lZCB1cC4gQWZ0ZXIgYWxsIHdoYXQgd2ls bCBiZQo+IGJyb3VnaHQgYmFjayBvbmxpbmUgbWF5IGJlIGEgZGlmZmVyZW50IHBoeXNpY2FsIENQ VSBhbHRvZ2V0aGVyOwo+IHlvdSBjYW4ndCBhc3N1bWUgTVNSIHZhbHVlcyB0byBoYXZlIHN1cnZp dmVkIGV2ZW4gaWYgaXQgaXMgdGhlCj4gc2FtZSBDUFUgd2hpY2ggY29tZXMgYmFjayBvbmxpbmUs IGFzIGl0IG1heSBoYXZlIHVuZGVyZ29uZQo+IGEgcmVzZXQgY3ljbGUsIG9yIEJJT1MvU01NIG1h eSBoYXZlIHBsYXllZCB3aXRoIHRoZSBNU1JzLgo+IFRoYXQncyBldmVuIGEgcG9zc2liaWxpdHkg Zm9yIGEgc2luZ2xlIGNvcmUgY29taW5nIGJhY2sgb25saW5lLCBzbwo+IHlvdSBoYXZlIHRvIHJl bG9hZCBNU1JzIGV4cGxpY2l0bHkgYW55d2F5IGlmIGltcGxpY2l0IHJlbG9hZGluZwo+IChpLmUu IG9uY2UgdkNQVS1zIGdldCBzY2hlZHVsZWQgb250byBpdCkgZG9lc24ndCBzdWZmaWNlLgo+IApT bywgeW91IHRoaW5rIHRoZSBNU1JzIHZhbHVlcyBtYXkgbm90IGJlIHZhbGlkIGFmdGVyIHN1Y2gg cHJvY2VzcyBhbmQKcmVsb2FkaW5nICh3cml0ZSBNU1JzIHRvIGRlZmF1bHQgdmFsdWUpIGlzIG5l ZWRlZC4gSWYgc28sIEkgd291bGQgbGlrZQp0byBkbyBtb3JlIG9wZXJhdGlvbnMgaW4gJ2ZyZWVf ZmVhdHVyZSgpJzoKMS4gSXRlcmF0ZSBhbGwgZG9tYWlucyB3b3JraW5nIG9uIHRoZSBvZmZsaW5l IHNvY2tldCB0byBjaGFuZ2UKICAgJ2QtPmFyY2gucHNyX2Nvc19pZHNbc29ja2V0XScgdG8gQ09T IDAsIGkuZSByZXN0b3JlIGl0IGJhY2sgdG8gaW5pdAogICBzdGF0dXMuCjIuIFJlc3RvcmUgJ3Nv Y2tldF9pbmZvW3NvY2tldF0uY29zX3JlZltdJyB0byBhbGwgMC4KClRoZXNlIGNhbiBtYWtlIHRo ZSBzb2NrZXQncyBpbmZvIGJlIHRvdGFsbHkgcmVzdG9yZWQgYmFjayB0byBpbml0IHN0YXR1cy4K CkhvdyBkbyB5b3UgdGhpbms/IFRoYW5rcyEKCj4gPj4gPiArLyogTDMgQ0FUIG9wcyAqLwo+ID4+ ID4gK3N0YXRpYyBjb25zdCBzdHJ1Y3QgZmVhdF9vcHMgbDNfY2F0X29wcyA9IHsKPiA+PiA+ICt9 Owo+ID4+IAo+ID4+IExlYXZpbmcgYW4gYWxyZWFkeSBkZWNsYXJlZCBmdW5jdGlvbiBwb2ludGVy IGFzIE5VTEw/IFBsZWFzZSBkb24ndC4KPiA+PiAKPiA+IE9rLCB3aWxsIGNvbnNpZGVyIHRvIG1v dmUgaXQgYW5kIGJlbG93IGNvZGUgaW50byBsYXRlciBwYXRjaC4KPiA+ICAgICBmZWF0LT5vcHMg PSBsM19jYXRfb3BzOwo+IAo+IEkgZG9uJ3QgbWluZCB0aGUgZW1wdHkgc3RydWN0dXJlIGluc3Rh bmNlIGFib3ZlLCBhcyBsb25nIGFzIHRoZQo+IHN0cnVjdHVyZSBkb2Vzbid0IGhhdmUgYW55IGZ1 bmN0aW9uIHBvaW50ZXIgbWVtYmVycyB5ZXQgKGRhdGEKPiBtZW1iZXJzIGFyZSBhbG1vc3QgYWx3 YXlzIGZpbmUpLgo+IApUbyBleHBsYWluIGhvdyB0aGUgZGF0YSBzdHJ1Y3R1cmVzIGFyZSwgSSBk ZWNsYXJlZCAnKCpnZXRfY29zX21heCknIGluCidzdHJ1Y3QgZmVhdF9vcHMnIGluIHBhdGNoIDMu IFNvLCBkbyB5b3UgbWluZCBJIHJlbW92ZSB0aGlzIGRlY2xhcmF0aW9uCmFuZCBqdXN0IGtlZXAg YW4gZW1wdHkgJ3N0cnVjdCBmZWF0X29wcycgaW4gcGF0Y2ggMyBzbyB0aGF0IHdlIGNhbiBrZWVw CmN1cnJlbnQgY29kZXMgaW4gdGhpcyBwYXRjaD8KCj4gSmFuCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK